I think it has to count as a full smile (or grin) because of the (appealing cute) dimple at the side of the lips; my take on the actual giocanda smile was that was a just a look of amusement with a bit of plausible deniability.
Followed https://www.advocate.com/photography/2018/11/13/78-mostly-spontaneous-mostly-undressed-photos-david-velez#slide-68 from the front page today and found:
(the grey undies with Moschino seemed familiar, but I checked and the previous posting with them didn't have teddy bears on the band and the guy had facial hair!).